Sharp HT-CN150DVW

HT-CN150DVW
14
TROUBLESHOOTING CHART (2/3)
7
8
A B C D
E
1
23456
AUDIO L/R
No Output
D
signal output
Check Main Board
No
IC406 Pin1 7
YES
Check Between
IC406 TO JK401
Video
No Output
E
RE-Insert and fix
the cable
Yes
JK802 cable is loose
or bad INT
Check Main Board
Between Main Board
L809 to JK101
Yes
L809 signal output
Check Main Board
NO
NO
Check
S-Video
No Output
F
RE-Insert and fix
the cable
Yes
JK801 cable is loose
or bad INT
Check Main Board
L812 L813 signal output
Check Main Board
NO
NO
5.1 - CH.STEREO
No Output
C
Check IC351 PIN2 MCLK
Repair
Power Supply
Yes
Check CN901
PIN1=+28VPIN3=GND
Renewal bastard
No
Check Main Board
Gradually disturb each import
No
Yes
No
Yes
High
Confirm Speake
Check Main Board
Check Between
No
OP IC Audio signal output
IC 501
Check Main Board
Yes
Pin16 L OUT
IC503
IC502
IC501-IC503 to
JK501 Circuit
IC351 supply power Check Between
IC201 to IC351 Circuit
Confirm IC201 fettle
Confirm IC351 fettle
Check Main Board
Low
Check Main Board
Confirm mainframe mute off
Check Main Board mute circuit
Pin21 SR OUT
signal IN
Check Main Board
IC406 Pin2 6
YES
Check
IC406 voltage Circuit
Check IC406
No
signal output
Check Main Board
IC401 Pin1 7
YES
Check Between
IC401 to IC404
No
signal IN
Check Main Board
IC401 Pin2 6
YES
Check
IC401 voltage Circuit
Check IC401
No
signal IN
Check Main Board
IC351
YES
Check
IC351 voltage Circuit
Check IC351
CheckI351 to IC401
IC201 Pin112 113 to L812 L813
Filter Circuit
Check Main Board Between
IC201 Pin110 to L809 CIRCUIT
Check Main Board Between
AUDIO L/R
No Output
C
Video
No Output
AUDIO OUT COAXIAL
No Output
COMPONET VIDEO
D
No Sound
VFD Display
No Show
E
FB
And Key Function
All Function
No Working
A
G
5.1-CH.STEREO
No Output
S-Video
No Output
Cannot Read The
Disc Or Intermittent
JH
AM FM
No Output
K
MAIN UNIT REPAIR CHART
Pin16 SL OUT Pin21 R OUT
Pin16 C OUT Pin21 SW OUT
IC501-503
Mute Return circuit
UP to C315-350 anode
Confirm every IC supply power
Check IC351 PIN3 BCLK Check IC351 PIN4 LRCK Check IC351 PIN7 DIN1 Check IC351 PIN8 DIN2 Check IC351 PIN3 DIN3
Confirm IC501-503 fettle
AUDIO OUT COAXIAL
No Output
G
RE-Insert and fix
the cable
Yes
JK804 cable is loose
or bad INT
Check Main Board
C257 signal output Check Main Board
NO
NO
IC201 Pin114 to C257
Filter Circuit
Check Main Board Between
MIC IN
No Sound
I
COMPONET VIDEO
No Output
H
RE-Insert and fix
the cable
Yes
JK806 cable is loose
or bad INT
Check Main Board
CN804 signal output
Check Main Board
NO
NO
IC201 Pin113 114 1125 to CN804
Filter Circuit
Check Main Board Between